You are lost and alone in the wilderness. For the first day or two, it isn’t too bad apart from the mosquitos. You’re going to be rescued, right? On day three you’re concerned but still aiming to catch the next episode of The Walking Dead. But around day four, when nobody has shown up yet, the reality sinks in and you must start to plan your survival for however long it takes until civilisation comes looking for you, or until you find it again.